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<div class=" highlight hl-matlab"><pre><span></span><span class="n">node</span> <span class="p">=</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">;</span> <span class="mi">0</span><span class="p">,</span><span class="mi">1</span><span class="p">,</span><span class="mi">0</span><span class="p">;</span> <span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">;</span> <span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">,</span><span class="mi">1</span><span class="p">];</span>
<span class="n">elem</span> <span class="p">=</span> <span class="p">[</span><span class="mi">1</span> <span class="mi">2</span> <span class="mi">3</span> <span class="mi">4</span><span class="p">];</span>
<span class="n">localEdge</span> <span class="p">=</span> <span class="p">[</span><span class="mi">1</span> <span class="mi">2</span><span class="p">;</span> <span class="mi">1</span> <span class="mi">3</span><span class="p">;</span> <span class="mi">1</span> <span class="mi">4</span><span class="p">;</span> <span class="mi">2</span> <span class="mi">3</span><span class="p">;</span> <span class="mi">2</span> <span class="mi">4</span><span class="p">;</span> <span class="mi">3</span> <span class="mi">4</span><span class="p">];</span>
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<div class=" highlight hl-matlab"><pre><span></span><span class="n">figure</span><span class="p">;</span>
<span class="n">showmesh3</span><span class="p">(</span><span class="n">node</span><span class="p">,</span><span class="n">elem</span><span class="p">);</span>
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<pre><span class="ansi-red-fg">Error using eval
Undefined function &#39;showmesh3&#39; for input arguments of type &#39;double&#39;.

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